| Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +N/-S |
 | Guarne | Colombia | Grupo Astrofánaticos | 6.274 | -75.447 |
| Date | Gnomon height [cm] | Shadow length [cm] | Angle (°) |
| 07/10/2021 | 15.2 | 3.2 | 11.9 |
| 19/10/2021 | 15.2 | 4.5 | 16.5 |
| 28/10/2021 | 15.2 | 5.6 | 20.2 |
| Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +N/-S |
| Guarne | Colombia | Grupo Astrofánaticos | 6.274 | -75.447 |
| Date | Gnomon height [cm] | Shadow length [cm] | Angle (°) |
| 07/10/2021 | 15.2 | 3.2 | 11.9 |
| 19/10/2021 | 15.2 | 4.5 | 16.5 |
| 28/10/2021 | 15.2 | 5.6 | 20.2 |
